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#
# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.

. $STF_SUITE/include/libtest.kshlib

function force_unmount #dev
{
	typeset dev=$1

	ismounted $dev
	if (( $? == 0 )); then
		log_must $ZFS $unmountforce $dev
	fi
	return 0
}

# Create pool and  ( fs | container | vol ) with the given parameters,
# it'll destroy prior exist one that has the same name.

function setup_filesystem #disklist #pool #fs #mntpoint #type #vdev
{
	typeset disklist=$1
	typeset pool=$2
	typeset fs=${3##/}
	typeset mntpoint=$4
	typeset type=$5
	typeset vdev=$6

	if [[ -z $pool || -z $fs || -z $mntpoint ]]; then
		log_note "Missing parameter: (\"$pool\", \"$fs\", \"$mntpoint\")"
		return 1
	fi

	if is_global_zone && [[ -z $disklist ]] ; then
		log_note "Missing disklist."
		return 1
	fi

	if [[ $vdev != "" && \
		$vdev != "mirror" && \
		$vdev != "raidz" ]] ; then

		log_note "Wrong vdev: (\"$vdev\")"
		return 1
	fi

	poolexists $pool || \
		create_pool $pool $vdev $disklist 

	datasetexists $pool/$fs && \
		log_must cleanup_filesystem $pool $fs

	$RMDIR $mntpoint > /dev/null 2>&1
	if [[ ! -d $mntpoint ]]; then
		log_must $MKDIR -p $mntpoint
	fi

	case "$type" in
		'ctr') 	log_must $ZFS create $pool/$fs 
			log_must $ZFS set mountpoint=$mntpoint $pool/$fs
			;;
		'vol') 	log_must $ZFS create -V $VOLSIZE $pool/$fs 
			;;
		*) 	log_must $ZFS create $pool/$fs 
			log_must $ZFS set mountpoint=$mntpoint $pool/$fs
			;;
	esac

	return 0
}

# Destroy ( fs | container | vol ) with the given parameters.
function cleanup_filesystem #pool #fs
{
	typeset pool=$1
	typeset fs=${2##/}
	typeset mtpt=""

	if [[ -z $pool || -z $fs ]]; then
		log_note "Missing parameter: (\"$pool\", \"$fs\")"
		return 1
	fi

	if datasetexists "$pool/$fs" ; then
		mtpt=$(get_prop mountpoint "$pool/$fs")
		log_must $ZFS destroy -r $pool/$fs

		[[ -d $mtpt ]] && \
			log_must $RM -rf $mtpt
	else
		return 1
	fi

	return 0
}

# Make sure 'zfs mount' should display all ZFS filesystems currently mounted.
# The results of 'zfs mount' and 'df -F zfs' should be identical. 
function verify_mount_display
{
	typeset fs

	for fs in $($ZFS $mountcmd | $AWK '{print $1}') ; do
		log_must mounted $fs
	done
	return 0
}
